Capsule used in the preparation of a beverage



FIG. 1 is a perspective view of a capsule used in the preparation of a beverage, showing my new design;

FIG. 2 is a front elevational view thereof, the back elevational view, right side elevational view and left side elevational view being identical thereto;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

CLAIM The ornamental design for a capsule used in the preparation of a beverage, as shown and described. 